{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Aggregation and kinetic studies have been performed to understand the hydrolytic potencies of the series of oxime - functionalized surfactants , viz . , 3 - hydroxyiminomethyl - 1 - alkylpyridinium bromide ( alkyl = CnH2n + 1 , n = 10 , 12 , 14 , 16 , 18 ) in the cleavage of phosphate esters , p - nitrophenyl diphenyl phosphate ( PNPDPP ) and bis ( 2 , 4 - dinitrophenyl ) phosphate ( BNDPP ) , in mixed micelles with cetylpyridinium bromide ( CPB ) ."}
{"Chemical": ["oxime", "3 - hydroxyiminomethyl - 1 - alkylpyridinium bromide", "alkyl", "CnH2n + 1", "phosphate esters", "p - nitrophenyl diphenyl phosphate", "PNPDPP", "bis ( 2 , 4 - dinitrophenyl ) phosphate", "BNDPP", "cetylpyridinium bromide", "CPB"]}